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<?php |
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declare(strict_types=1); |
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namespace Yansongda\Pay\Plugin\Alipay; |
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use Closure; |
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use Yansongda\Pay\Contract\PluginInterface; |
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use Yansongda\Pay\Exception\InvalidResponseException; |
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use Yansongda\Pay\Parser\NoHttpRequestParser; |
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use Yansongda\Pay\Rocket; |
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use Yansongda\Supports\Collection; |
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class CallbackPlugin implements PluginInterface |
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{ |
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/** |
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* @throws \Yansongda\Pay\Exception\ContainerDependencyException |
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* @throws \Yansongda\Pay\Exception\ContainerException |
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* @throws \Yansongda\Pay\Exception\InvalidConfigException |
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* @throws \Yansongda\Pay\Exception\ServiceNotFoundException |
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* @throws \Yansongda\Pay\Exception\InvalidResponseException |
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*/ |
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public function assembly(Rocket $rocket, Closure $next): Rocket |
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{ |
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$this->filterPayload($rocket); |
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if (!($rocket->getParams()['sign'] ?? false)) { |
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throw new InvalidResponseException(InvalidResponseException::INVALID_RESPONSE_SIGN, '', $rocket->getParams()); |
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} |
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if (!verify_alipay_response( |
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$rocket->getParams(), |
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$this->getSignContent($rocket->getPayload()), |
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base64_decode($rocket->getParams()['sign'])) |
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) { |
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throw new InvalidResponseException(InvalidResponseException::INVALID_RESPONSE_SIGN, '', $rocket->getParams()); |
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} |
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$rocket->setDirection(NoHttpRequestParser::class) |
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->setDestination($rocket->getPayload()); |
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return $next($rocket); |
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} |
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protected function filterPayload(Rocket $rocket): void |
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{ |
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$payload = (new Collection($rocket->getParams()))->filter(function ($v, $k) { |
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return '' !== $v && !is_null($v) && 'sign' != $k && 'sign_type' != $k; |
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}); |
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$rocket->setPayload($payload); |
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} |
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protected function getSignContent(Collection $payload): string |
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{ |
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return urldecode($payload->sortKeys()->toString()); |
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} |
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} |
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yansongda /
pay
